Once widely spread in the Dinaric Mountains part of the Balkan Peninsula, swearing to virginity was a social and cultural custom recorded among all groups inhabiting the area. In the absence of a capable adult man in the household, a daughter would take over his social role by ‘becoming’ a man. The standard explanation is that the function of this practice is enabling the continuation of the household’s economic, social, and religious activities. We argue that this explanation fails. A better (...) explanation is that, because the lack of a particular kind of a man (competent and honourable) was perceived as a shame in these societies, the primary reason for swearing to virginity was saving family honour. (shrink)